Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    19/11/2023, 23:37

General

  • Target

    file.exe

  • Size

    267KB

  • MD5

    3746ec4e33194d9d59433ee540370b98

  • SHA1

    110b145c224c60a474ac596894192488f55b587a

  • SHA256

    fdccf4ea45fd8aea2759fdb0c1b301ed989a6784a15778666db9b8e0e98403ca

  • SHA512

    7a335f485aaf7dd08ac2f48d10d2624b74b8e26c8f6ae406afe5cac8e13566651d28bedc3b1aff4e7b9ae064fc20cfb726317fc3b385e30300602aa19d17785f

  • SSDEEP

    3072:1LjOTuAZxU4oqmhZ2Qrfqw0GcSkLyphou2ukd89dohRW68H7ovbeB5:1453b4hr7l0GXkLyPz2bu9dR6wM

Malware Config

Extracted

Family

smokeloader

Botnet

pub4

Extracted

Family

smokeloader

Version

2022

C2

http://dpav.cc/tmp/

http://lrproduct.ru/tmp/

http://kggcp.com/tmp/

http://talesofpirates.net/tmp/

http://pirateking.online/tmp/

http://piratia.pw/tmp/

http://go-piratia.ru/tmp/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1864
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {E28CD524-D38C-47EA-BC0B-019C68D3D8AD} S-1-5-21-1154728922-3261336865-3456416385-1000:TLIDUQCQ\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2904
    • C:\Users\Admin\AppData\Roaming\tfuuucd
      C:\Users\Admin\AppData\Roaming\tfuuucd
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:2608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\tfuuucd

    Filesize

    267KB

    MD5

    3746ec4e33194d9d59433ee540370b98

    SHA1

    110b145c224c60a474ac596894192488f55b587a

    SHA256

    fdccf4ea45fd8aea2759fdb0c1b301ed989a6784a15778666db9b8e0e98403ca

    SHA512

    7a335f485aaf7dd08ac2f48d10d2624b74b8e26c8f6ae406afe5cac8e13566651d28bedc3b1aff4e7b9ae064fc20cfb726317fc3b385e30300602aa19d17785f

  • C:\Users\Admin\AppData\Roaming\tfuuucd

    Filesize

    267KB

    MD5

    3746ec4e33194d9d59433ee540370b98

    SHA1

    110b145c224c60a474ac596894192488f55b587a

    SHA256

    fdccf4ea45fd8aea2759fdb0c1b301ed989a6784a15778666db9b8e0e98403ca

    SHA512

    7a335f485aaf7dd08ac2f48d10d2624b74b8e26c8f6ae406afe5cac8e13566651d28bedc3b1aff4e7b9ae064fc20cfb726317fc3b385e30300602aa19d17785f

  • memory/1280-4-0x0000000002B60000-0x0000000002B76000-memory.dmp

    Filesize

    88KB

  • memory/1280-16-0x00000000021A0000-0x00000000021B6000-memory.dmp

    Filesize

    88KB

  • memory/1864-1-0x0000000000610000-0x0000000000710000-memory.dmp

    Filesize

    1024KB

  • memory/1864-2-0x0000000000220000-0x000000000022B000-memory.dmp

    Filesize

    44KB

  • memory/1864-3-0x0000000000400000-0x00000000004F6000-memory.dmp

    Filesize

    984KB

  • memory/1864-5-0x0000000000400000-0x00000000004F6000-memory.dmp

    Filesize

    984KB

  • memory/2608-14-0x0000000000960000-0x0000000000A60000-memory.dmp

    Filesize

    1024KB

  • memory/2608-15-0x0000000000400000-0x00000000004F6000-memory.dmp

    Filesize

    984KB

  • memory/2608-17-0x0000000000400000-0x00000000004F6000-memory.dmp

    Filesize

    984KB